/***
	Copyright (c) 2008-2011 CommonsWare, LLC
	Licensed under the Apache License, Version 2.0 (the "License"); you may not
	use this file except in compliance with the License. You may obtain	a copy
	of the License at http://www.apache.org/licenses/LICENSE-2.0. Unless required
	by applicable law or agreed to in writing, software distributed under the
	License is distributed on an "AS IS" BASIS,	WITHOUT	WARRANTIES OR CONDITIONS
	OF ANY KIND, either express or implied. See the License for the specific
	language governing permissions and limitations under the License.
	
	From _The Busy Coder's Guide to Advanced Android Development_
		http://commonsware.com/AdvAndroid
*/

package com.commonsware.android.advservice.client;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.widget.EditText;
import android.widget.Toast;

public class BshServiceDemo extends Activity {
	private static final String SCRIPT="com.commonsware.SCRIPT";
	private static final String BROADCAST_ACTION="com.commonsware.BROADCAST_ACTION";
	private static final String BROADCAST_PACKAGE="com.commonsware.BROADCAST_PACKAGE";
	private static final String PRIVATE_ACTION="com.commonsware.PRIVATE_BROADCAST_ACTION";
	private static final String PENDING_RESULT="com.commonsware.PENDING_RESULT";
	private static final String PAYLOAD="com.commonsware.PAYLOAD";
	private static final String RESULT_CODE="com.commonsware.RESULT_CODE";
	private static final int SUCCESS=1337;
	private static final int REQUEST_CODE=24601;
	private EditText script=null;
	
	@Override
	public void onCreate(Bundle icicle) {
		super.onCreate(icicle);
		setContentView(R.layout.main);
	
		script=(EditText)findViewById(R.id.script);
		registerReceiver(onBroadcast, new IntentFilter(PRIVATE_ACTION));
	}
		
	@Override
	public void onDestroy() {
		super.onDestroy();
		
		unregisterReceiver(onBroadcast);
	}
	
	@Override
	protected void onActivityResult(int requestCode, int resultCode,
																	Intent data) {
		if (requestCode==REQUEST_CODE && resultCode==RESULT_OK) {
			handleResult(data);
		}
	}

	public void evalPrivateBroadcast(View v) {
		Intent i=new Intent("com.commonsware.android.advservice.IScript");
		
		i.putExtra(SCRIPT, script.getText().toString());
		i.putExtra(BROADCAST_ACTION, PRIVATE_ACTION);
		i.putExtra(BROADCAST_PACKAGE,
								"com.commonsware.android.advservice.client");
		
		startService(i);
	}
	
	public void evalPendingResult(View v) {
		Intent i=new Intent("com.commonsware.android.advservice.IScript");
		
		i.putExtra(SCRIPT, script.getText().toString());
		i.putExtra(PENDING_RESULT, createPendingResult(REQUEST_CODE,
																									 null,
																									 PendingIntent.FLAG_ONE_SHOT));
		
		startService(i);
	}
	
	private void success(String result) {
		Toast
			.makeText(BshServiceDemo.this, result, Toast.LENGTH_LONG)
			.show();
	}
	
	private void failure(String error) {
		AlertDialog.Builder builder=
							new AlertDialog.Builder(BshServiceDemo.this);
		
		builder
			.setTitle("Exception!")
			.setMessage(error)
			.setPositiveButton("OK", null)
			.show();
	}
	
	private void handleResult(Intent i) {
		String result=i.getStringExtra(PAYLOAD);
		int resultCode=i.getIntExtra(RESULT_CODE, -1);
		
		if (resultCode==SUCCESS) {
			success(result);
		}
		else {
			failure(result);
		}
	}
	
	private BroadcastReceiver onBroadcast=new BroadcastReceiver() {
		@Override
		public void onReceive(Context ctxt, Intent i) {
			handleResult(i);
		}
	};
}
